Hair brush



FIG. 1 is a perspective view showing my new design for a hair brush;

FIG. 2 is a front elevational view thereof; the rear elevational view, the left side elevational view and the right side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view showing the head of the hair brush changed to second appearance;

FIG. 6 is a front elevational view of another appearance thereof; the rear elevational view, the left side elevational view and the right side elevational view being a mirror image of second appearance thereof;

FIG. 7 is a top plan view of second appearance thereof; and,

FIG. 8 is a bottom plan view of second appearance thereof.

The portions shown in broken lines are included for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a hair brush, as shown and described. 